How much ice is equivalent to 8 ounces of water
1 answer:
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Answer: The length of CU is 117 units.
Step-by-step explanation:
Given: ΔWCD≈ΔWUV
We know that if two triangles are similar, then their corresponding sides are proportional.
∴
∴ WU=
Also , WU=WC+CU
⇒CU=WU-WC
⇒CU=143-26=117 units
The exact value of cos 7pi/8 is 0. 9988
<h3>How to find the value</h3>
It is important to note that the value for pi = 3. 142
= cos 7π
Substitute value of π
= cos(7× 3. 142)
= cos 21. 994
Divide 21. 994 by 8
= 2. 740
Let's find the vale of
=
=
Thus, the exact value of cos 7pi/8 is 0. 9988
Learn more about trigonometric identities here:
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